How did the universe bang into existence from nothing? Ask USA TODAY

Science reporter Dan Vergano answers this reader question about the big-bang theory. Have a question? Send it to us on Twitter using #askusatoday. You can also e-mail askusatoday@usatoday.com.

http://www.wkyc.com/video/2296236451001/1/How-did-the-universe-bang-into-existence-from-nothing-Ask-USA-TODAYhttp://www.gannett-cdn.com/media/USATODAY/USATODAY/2013/04/11/afp_space-baby_galaxy_small.jpgHow did the universe bang into existence from nothing? Ask USA TODAYScience reporter Dan Vergano answers this reader question about the big-bang theory. Have a question? Send it to us on Twitter using #askusatoday. You can also e-mail askusatoday@usatoday.com.Editorial pageNASAcommongroundCommon GroundopinionUniverseAsk USA TODAYBig-bang theory01:18